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Fork of React Tailwind Starter

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Kkkareenakelleher@gmail.com
Last edited Nov 14, 2025
Created on Nov 14, 2025

An interactive Sudoku game built with React 19 and Tailwind CSS 4 lets users fill a 9x9 grid with digits 1–9 across three difficulty levels. The interface displays the board, highlights selected cells, and provides buttons for reset and auto-solve. Puzzle generation, move validation, and the backtracking solver come from the `generateSudoku`, `isValidMove`, and `solveSudoku` functions in `utils/sudokuLogic.js`. React state manages the board, original puzzle, selection, and win detection, while CDN-imported React and Tailwind power the responsive UI.

AI-generated description

Sudoku App

A React-based Sudoku game built with React, Tailwind CSS, and vanilla JavaScript.

Features

  • Generate Random Puzzles: Three difficulty levels (Easy, Medium, Hard)
  • Interactive Grid: Click on cells to select and enter numbers (1-9)
  • Auto-solve: Solve any puzzle instantly with the Solve button
  • Reset: Clear your progress and start over
  • Validation: Highlights incorrect entries and validates the complete solution
  • Responsive Design: Works on desktop and mobile devices

How to Play

  1. Select a difficulty level to generate a new puzzle
  2. Click on empty cells and type numbers 1-9
  3. Fill the grid so that every row, column, and 3x3 box contains the digits 1-9
  4. Click "Solve" for an instant solution
  5. Click "Reset" to clear your entries and try again

Technologies Used

  • React 19.1.0
  • Tailwind CSS 4
  • JavaScript ES6+

Running the App

Simply open index.html in a modern web browser. The app uses CDN imports for React and Tailwind CSS.

MIT Licensed

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